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Concentrations - Schedule of Concentration of Risks (Details) (10-K) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Revenues [Member] | Customer A [Member] |  |
Percentage of revenues | 28.75% | 29.97%
Revenues [Member] | Customer B [Member] |  |
Percentage of revenues | 19.83% | 40.93%
Revenues [Member] | Customer C [Member] |  |
Percentage of revenues | 14.23% | 4.61%
Revenues [Member] | Customer D [Member] |  |
Percentage of revenues | 12.85% |
Accounts Receivable [Member] | Customer A [Member] |  |
Percentage of revenues | 44.34% | 78.92%
Accounts Receivable [Member] | Customer B [Member] |  |
Percentage of revenues | 23.21% | 5.24%
Accounts Receivable [Member] | Customer C [Member] |  |
Percentage of revenues | 21.33% | 1.15%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
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